The surgery itself takes one to two hours

Hip replacement surgery typically lasts between 60 and 120 minutes once you are in the operating room. The exact time depends on your anatomy, whether you have had previous hip surgery, and the surgeon's approach — some use a smaller incision that takes longer but may reduce recovery time, while others use a larger incision that is faster but involves more tissue damage.

The surgeon removes the damaged hip joint and replaces it with a prosthetic made of metal, ceramic, or plastic. The procedure sounds straightforward, but the time spent varies based on how easily the old joint comes out and how precisely the new one must be positioned. A straightforward case in a younger patient might take 60 minutes; a complex case in someone with bone loss or previous surgery might take 90 to 120 minutes.

Key Takeaways

  • The actual surgery lasts one to two hours, but you will be at the hospital or surgical center for four to six hours total because of preparation and recovery time.
  • Anesthesia takes 15 to 30 minutes to administer and wear off, and this time is separate from the surgical time itself.
  • You will spend one to three hours in recovery before being moved to a hospital room or discharged, depending on the type of anesthesia used.
  • Most people go home the same day or stay one night; staying longer usually means a complication occurred or you need extra help with mobility.

What happens before the surgeon starts

Before the 60 to 120 minutes of actual surgery, you will spend 45 minutes to an hour in pre-operative preparation. This includes changing into a surgical gown, having an IV placed, meeting the anesthesiologist, and having your surgical site marked. The surgical team also reviews your medical history, current medications, and any allergies.

Anesthesia administration itself takes 15 to 30 minutes. Most hip replacements use general anesthesia, which means you are fully asleep, though some surgeons use regional anesthesia (numbing from the waist down) combined with sedation. The anesthesiologist monitors your heart rate, blood pressure, oxygen level, and breathing throughout the procedure.

Recovery room time before you leave surgery

After the surgeon closes the incision, you move to the post-operative recovery room, where you spend one to three hours waking up from anesthesia. A nurse monitors your vital signs, checks your pain level, and helps manage nausea or dizziness that sometimes follows general anesthesia. You cannot leave this area until you are alert enough to follow commands and your vital signs are stable.

If you received general anesthesia, waking up takes 30 to 60 minutes. Regional anesthesia wears off more slowly — you may feel numb for several hours after surgery ends. The recovery room staff will not discharge you to a hospital room or send you home until you can move your legs, breathe deeply without information, and communicate clearly.

Same-day discharge versus overnight stay

Many hip replacement patients go home the same day, typically four to six hours after arriving at the surgical facility. This is called outpatient surgery and is increasingly common for people who are younger, have no major health conditions, and have someone at home to help them for the first few days. You must be able to walk with a walker or crutches and manage pain with oral medication before discharge.

Some patients stay overnight in the hospital. This usually happens if you are older, have other health conditions, live alone, or had complications during or after surgery. An overnight stay gives you access to nursing care and pain management through the night, which can be helpful if you struggle with mobility or pain control at home.

Why some surgeries take longer than others

A straightforward hip replacement in a patient with normal anatomy and no previous surgery typically takes 60 to 75 minutes. The time increases if you have bone loss from arthritis, previous hip surgery, or a fracture that healed unevenly. Revision surgery — replacing an implant that failed — often takes 90 to 150 minutes because the surgeon must remove the old prosthetic and sometimes repair bone damage.

Surgeon experience also matters. A surgeon who performs dozens of hip replacements per month may work faster than one who does a few per month, though speed is not the only measure of quality. Some surgeons intentionally take longer to position the implant with extreme precision, which can reduce the risk of future problems.

What to expect in the hours after you leave the operating room

Once you are discharged from recovery, you will be in a hospital room (if staying overnight) or preparing to go home (if same-day discharge). Pain is usually managed with prescription medication, and you will be encouraged to move your leg and begin walking with information as soon as possible — usually within a few hours of surgery. Early movement reduces blood clots and speeds recovery, even though it is uncomfortable.

You will have a bandage over your incision and may have a drain tube that collects fluid from the surgical site. The drain is usually removed before you leave the hospital or within a day or two at home. Physical therapy begins when ready, often with a therapist helping you stand and take a few steps before you leave the facility.

Timeline from arrival to going home

Plan to be at the surgical facility for four to six hours if you are having same-day discharge. Arrive one to two hours before your scheduled surgery time for check-in and preparation. The surgery itself takes one to two hours. Recovery takes one to three hours. Then you spend 30 to 60 minutes getting discharge instructions, arranging transportation, and confirming your follow-up appointment.

If you are staying overnight, the timeline is the same through discharge from recovery, but then you spend the night in a hospital room with nursing care. You will be discharged the next morning after your surgeon checks on you and confirms you can manage at home.

Frequently Asked Questions

Can hip replacement surgery be done in less than an hour?

Yes, in straightforward cases it can take 45 to 60 minutes, but this is not the norm. Most surgeons aim for precision over speed, and rushing increases the risk of implant misalignment or other complications. A faster surgery is not necessarily a better surgery.

Why do I have to stay at the hospital so long if surgery only takes an hour?

The hour is only the surgical time. You need time for anesthesia to be given and wear off, for your vital signs to stabilize, for pain to be managed, and for you to be alert enough to go home safely. Rushing this recovery period increases the risk of falls, nausea, and other problems.

What if my surgery takes longer than two hours?

Longer surgeries are not uncommon in complex cases and do not automatically mean something went wrong. Your surgeon will explain afterward if complications occurred or if the procedure took longer than expected. Longer surgery time may mean more tissue trauma, which can affect how quickly you recover.

Will I be awake during hip replacement surgery?

Most hip replacements use general anesthesia, so you are completely asleep. Some surgeons offer regional anesthesia, which numbs you from the waist down while you are sedated. You will not feel pain either way, and your surgeon will discuss which option is best for you before surgery.

How soon after surgery can I go home?

If you are having same-day discharge, you typically go home four to six hours after arriving at the facility. If you are staying overnight, you go home the next morning. Your surgeon will not discharge you until you can walk with information, manage pain with oral medication, and have someone at home to help you.